gylfinddu

== Welsh == === Etymology === gylfin (“beak, bill”) +‎ du (“black”) === Pronunciation === (North Wales) IPA(key): /ɡəlˈvɪnðɨ̞/ (South Wales) IPA(key): /ɡəlˈvɪnði/ === Adjective === gylfinddu (feminine singular gylfinddu, plural gylfinddu, not comparable) black-beaked Synonym: pigddu ==== Derived terms ==== carfil gylfinddu (“black-billed auk, razorbill”) === Mutation === === Further reading === R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “gylfinddu”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies